diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /drivers/video/sbuslib.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) |
Pull pnpacpi into acpica branch
Diffstat (limited to 'drivers/video/sbuslib.c')
-rw-r--r-- | drivers/video/sbuslib.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c index 646c43f921c5..3a74a63dd4f2 100644 --- a/drivers/video/sbuslib.c +++ b/drivers/video/sbuslib.c @@ -46,6 +46,9 @@ int sbusfb_mmap_helper(struct sbus_mmap_map *map, unsigned long off; int i; + if (!(vma->vm_flags & (VM_SHARED | VM_MAYSHARE))) + return -EINVAL; + size = vma->vm_end - vma->vm_start; if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; |